
'''simple docstring'''
from typing import Optional

import pyspark

from .. import Features, NamedSplit
from ..download import DownloadMode
from ..packaged_modules.spark.spark import Spark
from .abc import AbstractDatasetReader


class 			SCREAMING_SNAKE_CASE__      (     snake_case_):







				def __init__(       self						,				A_						,				A_ = None						,				A_ = None						,				A_ = True						,				A_ = None						,				A_ = False						,				A_ = None						,				A_ = True						,				A_ = "arrow"						,				**A_						,				)->		str:







											'''simple docstring'''






											super().__init__(
											    split=A_						,				features=A_						,				cache_dir=A_						,				keep_in_memory=A_						,				streaming=A_						,				**A_						,				)
											UpperCamelCase   			=     load_from_cache_file
											UpperCamelCase   			=     file_format
											UpperCamelCase   			=     Spark(
											    df=A_						,				features=A_						,				cache_dir=A_						,				working_dir=A_						,				**A_						,				)







				def 						UpperCAmelCase_    (       self     )->		Optional[Any]:







											'''simple docstring'''






											if self.streaming:
																		return self.builder.as_streaming_dataset(split=self.split     )
											UpperCamelCase   			=     None if self._load_from_cache_file else DownloadMode.FORCE_REDOWNLOAD
											self.builder.download_and_prepare(
											    download_mode=A_						,				file_format=self._file_format						,				)
											return self.builder.as_dataset(split=self.split     )








import re
import string

import numpy as np

import datasets


__UpperCamelCase     		=							'\nReturns the rate at which the input predicted strings exactly match their references, ignoring any strings input as part of the regexes_to_ignore list.\n'

__UpperCamelCase     		=							'\nArgs:\n    predictions: List of predicted texts.\n    references: List of reference texts.\n    regexes_to_ignore: List, defaults to None. Regex expressions of characters to\n        ignore when calculating the exact matches. Note: these regexes are removed\n        from the input data before the changes based on the options below (e.g. ignore_case,\n        ignore_punctuation, ignore_numbers) are applied.\n    ignore_case: Boolean, defaults to False. If true, turns everything\n        to lowercase so that capitalization differences are ignored.\n    ignore_punctuation: Boolean, defaults to False. If true, removes all punctuation before\n        comparing predictions and references.\n    ignore_numbers: Boolean, defaults to False. If true, removes all punctuation before\n        comparing predictions and references.\nReturns:\n    exact_match: Dictionary containing exact_match rate. Possible values are between 0.0 and 100.0, inclusive.\nExamples:\n    >>> exact_match = datasets.load_metric("exact_match")\n    >>> refs = ["the cat", "theater", "YELLING", "agent007"]\n    >>> preds = ["cat?", "theater", "yelling", "agent"]\n    >>> results = exact_match.compute(references=refs, predictions=preds)\n    >>> print(round(results["exact_match"], 1))\n    25.0\n\n    >>> exact_match = datasets.load_metric("exact_match")\n    >>> refs = ["the cat", "theater", "YELLING", "agent007"]\n    >>> preds = ["cat?", "theater", "yelling", "agent"]\n    >>> results = exact_match.compute(references=refs, predictions=preds, regexes_to_ignore=["the ", "yell"], ignore_case=True, ignore_punctuation=True)\n    >>> print(round(results["exact_match"], 1))\n    50.0\n\n\n    >>> exact_match = datasets.load_metric("exact_match")\n    >>> refs = ["the cat", "theater", "YELLING", "agent007"]\n    >>> preds = ["cat?", "theater", "yelling", "agent"]\n    >>> results = exact_match.compute(references=refs, predictions=preds, regexes_to_ignore=["the ", "yell", "YELL"], ignore_case=True, ignore_punctuation=True)\n    >>> print(round(results["exact_match"], 1))\n    75.0\n\n    >>> exact_match = datasets.load_metric("exact_match")\n    >>> refs = ["the cat", "theater", "YELLING", "agent007"]\n    >>> preds = ["cat?", "theater", "yelling", "agent"]\n    >>> results = exact_match.compute(references=refs, predictions=preds, regexes_to_ignore=["the ", "yell", "YELL"], ignore_case=True, ignore_punctuation=True, ignore_numbers=True)\n    >>> print(round(results["exact_match"], 1))\n    100.0\n\n    >>> exact_match = datasets.load_metric("exact_match")\n    >>> refs = ["The cat sat on the mat.", "Theaters are great.", "It\'s like comparing oranges and apples."]\n    >>> preds = ["The cat sat on the mat?", "Theaters are great.", "It\'s like comparing apples and oranges."]\n    >>> results = exact_match.compute(references=refs, predictions=preds)\n    >>> print(round(results["exact_match"], 1))\n    33.3\n\n'

__UpperCamelCase     		=							'\n'







@datasets.utils.file_utils.add_start_docstrings(_DESCRIPTION       ,						_KWARGS_DESCRIPTION   )
class 							lowerCamelCase__						(				datasets.Metric   ):






			"""simple docstring"""






			def 					snake_case__					(				self  ):

						'''simple docstring'''


						return datasets.MetricInfo(
						    description=_DESCRIPTION   ,    citation=_CITATION   ,    inputs_description=_KWARGS_DESCRIPTION   ,    features=datasets.Features(
						        {
						            "predictions": datasets.Value("string"   ,    id="sequence"  ),
						            "references": datasets.Value("string"   ,    id="sequence"  ),
						        }  )   ,    reference_urls=[]   ,    )







			def 					snake_case__					(				self   ,    snake_case   ,    snake_case   ,    snake_case=None   ,    snake_case=False   ,    snake_case=False   ,    snake_case=False   ,    ):

						'''simple docstring'''


						if regexes_to_ignore is not None:
									for s in regexes_to_ignore:
												UpperCamelCase__       =							np.array([re.sub(snake_case   ,    ""   ,    snake_case  ) for x in predictions]  )
												UpperCamelCase__       =							np.array([re.sub(snake_case   ,    ""   ,    snake_case  ) for x in references]  )
						else:
									UpperCamelCase__       =							np.asarray(snake_case  )
									UpperCamelCase__       =							np.asarray(snake_case  )

						if ignore_case:
									UpperCamelCase__       =							np.char.lower(snake_case  )
									UpperCamelCase__       =							np.char.lower(snake_case  )

						if ignore_punctuation:
									UpperCamelCase__       =							string.punctuation.maketrans(""   ,    ""   ,    string.punctuation  )
									UpperCamelCase__       =							np.char.translate(snake_case   ,    table=snake_case  )
									UpperCamelCase__       =							np.char.translate(snake_case   ,    table=snake_case  )

						if ignore_numbers:
									UpperCamelCase__       =							string.digits.maketrans(""   ,    ""   ,    string.digits  )
									UpperCamelCase__       =							np.char.translate(snake_case   ,    table=snake_case  )
									UpperCamelCase__       =							np.char.translate(snake_case   ,    table=snake_case  )

						UpperCamelCase__       =							predictions == references

						return {"exact_match": np.mean(snake_case  ) * 100}


